What is WiFi?
WiFi (Wireless Fidelity) is a wireless networking technology based on the IEEE 802.11 standard that enables internet and network connectivity without cables. WiFi is used in homes, businesses, industries, and public spaces.
How does WiFi work?
WiFi transmits data over radio waves between devices and a wireless access point.
Frequency Bands:
- 2.4 GHz: Longer range, lower speeds
- 5 GHz: Shorter range, higher speeds
- 6 GHz (WiFi 6E): Less interference, higher performance
Benefits of WiFi:
- Wireless flexibility
- Mobility within coverage area
- Easy installation
- Scalable for different network environments
Challenges:
- Risk of interference
- Requires secure configuration
- Limited range through walls and obstacles
Use Cases:
- Homes and offices
- Industry and IoT environments
- Events and temporary networks
- Resilience Hubs and emergency preparedness